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Erick Rushing

Erick ... 6/4/2017

2002 Mercury Mountaineer Base 6 Cyl 4.00L

Transmissions & Drivetrains

Why does my vehicle only shift into gear,at first start up, when I rev the engine?

Driving down the road vehicle shifts the way it is supposed to

1 Answer

Teddy B

Teddy B 6/4/2017

I would be surprised if the Transmission doesn't fail completely in
the next month

No need to go into a long explanation of how they work & what your
many issues may be

There are many web sites put out by professionals, that show how they
rebuild a transmission & explain all the symptoms & reasons to work on
& resolve issues--go to You Tube Videos

If the trans is original to 2002 then just pull it & rebuild it

Most Expeditions go thru a trans every 110 miles,when the pump pressure valve, wears into the pump

The Mountaineer in some cases uses a different trans but time,miles & failure
to change the fluid every 2 years, will surely finish them all off a decade before they should fail


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